English verb conjugation MUST HARDEN

Regular verb: harden - hardened - hardened

Affirmation

Simple form

I must harden
you must harden
he must harden
we must harden
you must harden
they must harden

V-ing form

I must be hardening
you must be hardening
he must be hardening
we must be hardening
you must be hardening
they must be hardening

Perfect

I must have hardened
you must have hardened
he must have hardened
we must have hardened
you must have hardened
they must have hardened

V-ing perfect

I must have been hardening
you must have been hardening
he must have been hardening
we must have been hardening
you must have been hardening
they must have been hardening

Negation

Simple form

I mustn't harden
you mustn't harden
he mustn't harden
we mustn't harden
you mustn't harden
they mustn't harden

V-ing form

I mustn't be hardening
you mustn't be hardening
he mustn't be hardening
we mustn't be hardening
you mustn't be hardening
they mustn't be hardening

Perfect

I mustn't have hardened
you mustn't have hardened
he mustn't have hardened
we mustn't have hardened
you mustn't have hardened
they mustn't have hardened

V-ing perfect

I mustn't have been hardening
you mustn't have been hardening
he mustn't have been hardening
we mustn't have been hardening
you mustn't have been hardening
they mustn't have been hardening

Interrogative form

Simple form

must I harden?
must you harden?
must he harden?
must we harden?
must you harden?
must they harden?

V-ing form

must I be hardening?
must you be hardening?
must he be hardening?
must we be hardening?
must you be hardening?
must they be hardening?

Perfect

must I have hardened?
must you have hardened?
must he have hardened?
must we have hardened?
must you have hardened?
must they have hardened?

V-ing perfect

must I have been hardening?
must you have been hardening?
must he have been hardening?
must we have been hardening?
must you have been hardening?
must they have been hardening?

Interro-negative form

Simple form

mustn't I harden?
mustn't you harden?
mustn't he harden?
mustn't we harden?
mustn't you harden?
mustn't they harden?

V-ing form

mustn't I be hardening?
mustn't you be hardening?
mustn't he be hardening?
mustn't we be hardening?
mustn't you be hardening?
mustn't they be hardening?

Perfect

mustn't I have hardened?
mustn't you have hardened?
mustn't he have hardened?
mustn't we have hardened?
mustn't you have hardened?
mustn't they have hardened?

V-ing perfect

mustn't I have been hardening?
mustn't you have been hardening?
mustn't he have been hardening?
mustn't we have been hardening?
mustn't you have been hardening?
mustn't they have been hardening?

Page top